Hui-Chu Chang

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The RFM model provides an effective measure for customers' consumption behavior analysis, where three variables, namely, consumption interval, frequency, and money amount are used to quantify a customer's loyalty and contribution. Based on the RFM value, customers can be clustered into different groups and the group information is very useful in market(More)
Recently, Internet has become an import learning environment to assist students' learning, overcoming the limitations of time and space. In addition, the Internet is an import on-the-job trainings space to an enterprise, increasing enterprise's competitiveness in rapidly changing environment. In Internet learning environment, learning and teaching is(More)
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